21735402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 27616278

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 89, 93, 101, 178, 186, 202, 267, 303, 403, 534, 606, 806, 1157, 1209, 1313, 2314, 2418, 2626, 2759, 3131, 3471, 3939, 5518, 6262, 6942, 7878, 8277, 8989, 9393, 16554, 17978, 18786, 26967, 35867, 40703, 53934, 71734, 81406, 107601, 116857, 122109, 215202, 233714, 244218, 278659, 350571, 557318, 701142, 835977, 1671954, 3622567, 7245134, 10867701, 21735402]

約数ペア:

[(1, 21735402), (2, 10867701), (3, 7245134), (6, 3622567), (13, 1671954), (26, 835977), (31, 701142), (39, 557318), (62, 350571), (78, 278659), (89, 244218), (93, 233714), (101, 215202), (178, 122109), (186, 116857), (202, 107601), (267, 81406), (303, 71734), (403, 53934), (534, 40703), (606, 35867), (806, 26967), (1157, 18786), (1209, 17978), (1313, 16554), (2314, 9393), (2418, 8989), (2626, 8277), (2759, 7878), (3131, 6942), (3471, 6262), (3939, 5518)]